Home / 1,190,558.88-1,643,610.96-918,029.52

Finding the Fourth Proportional to 1,190,558.88, 1,643,610.96 and 918,029.52

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Solution

The fourth proportional to 1,190,558.88, 1,643,610.96 and 918,029.52 is: 1,267,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,558.88 : 1,643,610.96 = 918,029.52 : x
  2. Step 2: Convert to fraction form
    1,190,558.88/1,643,610.96 = 918,029.52/x
  3. Step 3: Cross multiply
    1,190,558.88x = 1,643,610.96 × 918,029.52
  4. Step 4: Simplify right side
    1,190,558.88x = 1,508,883,380,675.54
  5. Step 5: Solve for x
    x = 1,508,883,380,675.54/1,190,558.88
  6. Step 6: Final answer
    x = 1,267,374.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.